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The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.
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Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.
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Solve this system of equations. 12x − 18y = 27 4x − 6y = 10
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Mathematics, 21.06.2019 18:40
Acircle has a circumference of 28.36 units what is the diameter of the circle
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